InChI=1S/C22H22O12/c1-9(7-23)14(33-22-18(27)16(25)17(26)20(34-22)21(28)29)8-31-19-10-2-3-15(24)32-13(10)6-12-11(19)4-5-30-12/h2-6,14,16-18,20,22-23,25-27H,1,7-8H2,(H,28,29)